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Synthesis of Polyisocyanate Oligmers and Modification to Waterborne Polyurethane

Wei Ren-ta

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Abstract

A oligmer of trimethylolpropane with dissociative isocyanate is synthesized from trimethylolpropane,hexamethenediisocyanat-e(HDI).Then,a polyurethane dispersion(PU)is created from the above oligmer,isophorone diisocyanate(IPDI),polycarbonate-diol(PCD-1000),Polycaprolactone(PCL-2000),dimethylolpropylacid(DMPA).The influence of the adding amount of the oligmer with dissociative isocyanate on the syhnthesis and performance of the polyurethane are discussed.

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What this paper is about

A oligmer of trimethylolpropane with dissociative isocyanate is synthesized from trimethylolpropane,hexamethenediisocyanat-e(HDI).Then,a polyurethane dispersion(PU)is created from the above oligmer,isophorone diisocyanate(IPDI),polycarbonate-diol(PCD-1000),Polycaprolactone(PCL-2000),dimethylolpropylacid(DMPA).The influence of the adding amount of the oligmer with dissociative isocyanate on the syhnthesis and performance of the polyurethane are discussed.

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Available abstract

A oligmer of trimethylolpropane with dissociative isocyanate is synthesized from trimethylolpropane,hexamethenediisocyanat-e(HDI).Then,a polyurethane dispersion(PU)is created from the above oligmer,isophorone diisocyanate(IPDI),polycarbonate-diol(PCD-1000),Polycaprolactone(PCL-2000),dimethylolpropylacid(DMPA).The influence of the adding amount of the oligmer with dissociative isocyanate on the syhnthesis and performance of the polyurethane are discussed.

Key concepts: Trimethylolpropane, Isophorone diisocyanate, Polyurethane, Isocyanate, Polycarbonate, Diol, Polycaprolactone, Materials science

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